Garrett, among the most prolific fundraisers in the House, had $2,790,755 in his campaign account as of Dec. 31, according to the Federal Election Commission.

Cho raised $218,990 and spent $82,013, leaving him with a

balance of $133,977.

Garrett raised $970,446 in 2013, the FEC said, and spent $327,907. He began the year with $2,148,218 in his account.

Cho, 32, an attorney from Hackensack, is making his first run for office.

The only announced Democrat in the race, Cho is expected to effectively cinch the nomination March 11 when the Bergen County Democratic Committee holds its endorsement convention.

More than 70 percent of registered voters in the Fifth Congressional District live in Bergen County. The district includes all of Sussex County except for Sparta, Ogdensburg, Byram, Stanhope and Hopatcong, and parts of Warren and Passaic counties.